<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public $_id;
	public function authenticate()
	{
		$user=User::model()->findByAttributes(array('username'=>$this->username));
		
		if($user===null)
		{
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		}
		else
		{
			if($user->password!==$user->encrypt($this->password)){
				$this->errorCode=self::ERROR_PASSWORD_INVALID;
			}
			else{
				$this->_id = $user->id;
				if(null===$user->last_login_time){
					$lastLogin = time() + 5*60*60;
					// $lastLogin = strtotime($lastLogin);
				}
				else {
					$lastLogin = strtotime($user->last_login_time);
				}
				$this->setState('lastLoginTime', $lastLogin); 
				$this->setState('password',$this->password); 
				$this->errorCode=self::ERROR_NONE;
			}
		}
		return !$this->errorCode;
	}
	
	public function getId()
	{
		return $this->_id;
	}
	
	// public function authenticate() {
		// $users=array(
			// // username => password
			// 'demo'=>'demopass',
			// 'admin'=>'admin',
		// );
		// if(!isset($users[$this->username]))
			// $this->errorCode=self::ERROR_USERNAME_INVALID;
		// else if($users[$this->username]!==$this->password)
			// $this->errorCode=self::ERROR_PASSWORD_INVALID;
		// else
			// $this->errorCode=self::ERROR_NONE;
		// return !$this->errorCode;

	// }
	
	
}
	
	
